Math Chapter Wise

EnglishRajasthan TGT 2016

Q441.The area of a circle is halved when its radius is decreased by 'n', then radius of circle is

An 2 2 1 − unit Bn 2 1 − unit C2n 2 1 − unit Dn 2 2 1 + unit

Show answer

EnglishRajasthan TGT 2011

Q442.If the product of n positive numbers is 1, then the sum of these numbers will never be less than

A1 Bn Cn2 Dn/2

Show answer

EnglishRajasthan TGT 2011

Q443.The standard deviation of first n natural numbers is

A2 n 1 12 + B2 n 1 12 − C2 n 1 12 + D2 n 1 12 −

Show answer

EnglishRajasthan TGT 2011

Q444.Which of the following is not a convex set?

AImage/diagram option A BImage/diagram option B CImage/diagram option C DImage/diagram option D

Show answer

EnglishKVS TGT DEC 2017

Q445.The sum of two numbers is 33 and their difference is 7. Find the sum of their squares

A829 B569 C469 D319

Show answer

EnglishKVS TGT DEC 2017

Q446.If the numerator of a fraction is increased by 10% and denominator is decreased by 10%, then the percent reduction in the value of the fraction would be–

A10.5% B19.3% C22.2% D25.4%

Show answer

EnglishKVS TGT DEC 2017

Q447.If 50% of the difference between two numbers equals 30% of their sum, then what is the ratio between the numbers?

A1: 2 B1: 3 C1: 4 D1: 5

Show answer

EnglishTGT 2013

Q448.Solution of the equation 6x + 7 4x + 5 = 3x + 2 2x + 3 Will be–

Ax = 1 B9 x 11 = − C11 x 9 − = Dx = 3

Show answer

EnglishTGT 2011

Q449.If 1 P 3Q 5R 15.S 1 3 5 + + + = + + + = + + + = + + + = + + then P the value of–

A7/11 B3/11 C−1/11 D−2/11

Show answer

EnglishTGT 2011

Q450.Rs. 53 is divided among A, B, C is such a way that 'A' gets Rs. 7 more than 'B', 'B' gets Rs.8 more than C. The ratio of their parts will be:

A16: 9: 18 B25: 18: 10 C18: 25: 10 D15: 8: 30

Show answer

EnglishTGT 2011

Q451.'A' and 'B' can do a piece of work in 12 days and 'C' & 'A' in 20 days. In how many days will 'A' alone do the work?

A2 15 3 B24 C30 D4

Show answer

EnglishTGT 2011

Q452.A person walks the first 50 km at a speed of 25km/h, the next 40 km at a speed of 20 km/h and the last 90 km at a speed of 15 km/h. The average speed of the entire journey will be–

A25 B20 C18 D40

Show answer

EnglishTGT 2011

Q453.A sum of money grows in 15 years at the rate of compound interest. It will become 8 times double.

AIn 30 years BIn 40 years CIn 45 years DIn 60 years

Show answer

EnglishTGT 2011

Q454.The value of (log34) (log45) (log56) (log67) (log78) (log89) is–

A2 B7 C8 D33

Show answer

EnglishTGT 2011

Q455.If a b c = 3 4 7 then the value of a + b + c c will be–

A7 B2 C1/2 D1/7

Show answer

EnglishTGT 2011

Q456.If A:B = 7:9 and B:C = 5:4 then A:B:C is–

A7: 45: 36 B35: 45: 36 C28: 36: 35 DNone of these

Show answer

EnglishUP PCS (Pre) 1994

Q457.The Product of two positive integers is 24 and their greatest common divisor is 2. Their least common multiple is:

A12 B24 C1 D2

Show answer

EnglishUP PCS (Pre) 1994

Q458.The number of rational numbers existing between two unequal rational numbers is–

A2 B10 C15 Dinfinite

Show answer

EnglishUP PCS (Pre) 2009

Q459.The sum ∑ 99 k=1 1 (k +1) k + k k +1 is equal to

A11/10 B−1/99 C−1 1/2 99 D9/10

Show answer

English(GIC) ØeJeòeâe hejer#ee, 2015

Q460.If 4 4 1 x 7 x, then 4 4 1 x? x

A3 5 B5 3 C3 D2 3

Show answer